{"id":"https://openalex.org/W2092534351","doi":"https://doi.org/10.1145/2542667","title":"Undecidability of Propositional Separation Logic and Its Neighbours","display_name":"Undecidability of Propositional Separation Logic and Its Neighbours","publication_year":2014,"publication_date":"2014-04-01","ids":{"openalex":"https://openalex.org/W2092534351","doi":"https://doi.org/10.1145/2542667","mag":"2092534351"},"language":"en","primary_location":{"id":"doi:10.1145/2542667","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2542667","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2542667","source":{"id":"https://openalex.org/S118992489","display_name":"Journal of the ACM","issn_l":"0004-5411","issn":["0004-5411","1557-735X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the ACM","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://dl.acm.org/doi/pdf/10.1145/2542667","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025368137","display_name":"J G. Brotherston","orcid":"https://orcid.org/0000-0002-7536-4496"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"James Brotherston","raw_affiliation_strings":["University College London, United Kingdom","University College, London, United Kingdom;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University College London, United Kingdom","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"University College, London, United Kingdom;","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048798287","display_name":"Max Kanovich","orcid":"https://orcid.org/0000-0002-7502-1653"},"institutions":[{"id":"https://openalex.org/I166337079","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I166337079"]},{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Max Kanovich","raw_affiliation_strings":["University College London and Queen Mary, University of London, United Kingdom","University College London and Queen Mary, University of London, United Kingdom#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University College London and Queen Mary, University of London, United Kingdom","institution_ids":["https://openalex.org/I166337079","https://openalex.org/I45129253"]},{"raw_affiliation_string":"University College London and Queen Mary, University of London, United Kingdom#TAB#","institution_ids":["https://openalex.org/I166337079","https://openalex.org/I45129253"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.373,"has_fulltext":true,"cited_by_count":25,"citation_normalized_percentile":{"value":0.95521937,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"61","issue":"2","first_page":"1","last_page":"43"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/undecidable-problem","display_name":"Undecidable problem","score":0.7778125405311584},{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.7089211344718933},{"id":"https://openalex.org/keywords/fragment","display_name":"Fragment (logic)","score":0.5638229250907898},{"id":"https://openalex.org/keywords/intermediate-logic","display_name":"Intermediate logic","score":0.5130881071090698},{"id":"https://openalex.org/keywords/propositional-variable","display_name":"Propositional variable","score":0.5118746161460876},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4653300642967224},{"id":"https://openalex.org/keywords/zeroth-order-logic","display_name":"Zeroth-order logic","score":0.45405441522598267},{"id":"https://openalex.org/keywords/intuitionistic-logic","display_name":"Intuitionistic logic","score":0.44430458545684814},{"id":"https://openalex.org/keywords/propositional-formula","display_name":"Propositional formula","score":0.43718254566192627},{"id":"https://openalex.org/keywords/well-formed-formula","display_name":"Well-formed formula","score":0.43250060081481934},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41133925318717957},{"id":"https://openalex.org/keywords/propositional-calculus","display_name":"Propositional calculus","score":0.39868420362472534},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3384321331977844},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3094674348831177},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.28685587644577026},{"id":"https://openalex.org/keywords/description-logic","display_name":"Description logic","score":0.22771143913269043},{"id":"https://openalex.org/keywords/multimodal-logic","display_name":"Multimodal logic","score":0.07863578200340271}],"concepts":[{"id":"https://openalex.org/C192034797","wikidata":"https://www.wikidata.org/wiki/Q3502995","display_name":"Undecidable problem","level":3,"score":0.7778125405311584},{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.7089211344718933},{"id":"https://openalex.org/C2776235265","wikidata":"https://www.wikidata.org/wiki/Q18392052","display_name":"Fragment (logic)","level":2,"score":0.5638229250907898},{"id":"https://openalex.org/C33203268","wikidata":"https://www.wikidata.org/wiki/Q5361594","display_name":"Intermediate logic","level":3,"score":0.5130881071090698},{"id":"https://openalex.org/C14523651","wikidata":"https://www.wikidata.org/wiki/Q3492863","display_name":"Propositional variable","level":4,"score":0.5118746161460876},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4653300642967224},{"id":"https://openalex.org/C110039528","wikidata":"https://www.wikidata.org/wiki/Q8069651","display_name":"Zeroth-order logic","level":4,"score":0.45405441522598267},{"id":"https://openalex.org/C178421362","wikidata":"https://www.wikidata.org/wiki/Q176786","display_name":"Intuitionistic logic","level":3,"score":0.44430458545684814},{"id":"https://openalex.org/C74640108","wikidata":"https://www.wikidata.org/wiki/Q1372900","display_name":"Propositional formula","level":5,"score":0.43718254566192627},{"id":"https://openalex.org/C191222856","wikidata":"https://www.wikidata.org/wiki/Q655328","display_name":"Well-formed formula","level":5,"score":0.43250060081481934},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41133925318717957},{"id":"https://openalex.org/C69562738","wikidata":"https://www.wikidata.org/wiki/Q200694","display_name":"Propositional calculus","level":2,"score":0.39868420362472534},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3384321331977844},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3094674348831177},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.28685587644577026},{"id":"https://openalex.org/C102993220","wikidata":"https://www.wikidata.org/wiki/Q387196","display_name":"Description logic","level":2,"score":0.22771143913269043},{"id":"https://openalex.org/C203659156","wikidata":"https://www.wikidata.org/wiki/Q6934805","display_name":"Multimodal logic","level":3,"score":0.07863578200340271}],"mesh":[],"locations_count":8,"locations":[{"id":"doi:10.1145/2542667","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2542667","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2542667","source":{"id":"https://openalex.org/S118992489","display_name":"Journal of the ACM","issn_l":"0004-5411","issn":["0004-5411","1557-735X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the ACM","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.153.8016","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.153.8016","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.doc.ic.ac.uk/~jbrother/submitted4/SL_undecidable.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.212.2271","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.212.2271","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.doc.ic.ac.uk/%7Ejbrother/LICS10/SL_undecidable.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.564.3839","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.564.3839","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www0.cs.ucl.ac.uk/staff/J.Brotherston/JACM/brotherston_kanovich_JACM.pdf","raw_type":"text"},{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:1353143","is_oa":false,"landing_page_url":"http://discovery.ucl.ac.uk/1353143/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"In: (Proceedings) 25th Annual IEEE Symposium on Logic in Computer Science (LICS). (pp. pp. 130-139). IEEE COMPUTER SOC (2010)","raw_type":"Proceedings paper"},{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:1430439","is_oa":false,"landing_page_url":"https://discovery.ucl.ac.uk/id/eprint/1430439/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"JOURNAL OF THE ACM , 61 (2) , Article ARTN 14. (2014)","raw_type":"Article"},{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/95206","is_oa":true,"landing_page_url":"http://hdl.handle.net/10044/1/95206","pdf_url":null,"source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"10","raw_type":"Report"},{"id":"doi:10.25561/95206","is_oa":true,"landing_page_url":"https://doi.org/10.25561/95206","pdf_url":null,"source":{"id":"https://openalex.org/S7407050757","display_name":"Imperial College Research Computing Service Data Repository","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.1145/2542667","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2542667","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2542667","source":{"id":"https://openalex.org/S118992489","display_name":"Journal of the ACM","issn_l":"0004-5411","issn":["0004-5411","1557-735X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the ACM","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8674102602","display_name":null,"funder_award_id":"EP/J002224/2","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G990077672","display_name":null,"funder_award_id":"EP/H008373/2","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2092534351.pdf","grobid_xml":"https://content.openalex.org/works/W2092534351.grobid-xml"},"referenced_works_count":47,"referenced_works":["https://openalex.org/W98010569","https://openalex.org/W197179519","https://openalex.org/W1486095773","https://openalex.org/W1502726770","https://openalex.org/W1508482211","https://openalex.org/W1552367747","https://openalex.org/W1591716390","https://openalex.org/W1655990431","https://openalex.org/W1714661887","https://openalex.org/W1974265510","https://openalex.org/W1991670662","https://openalex.org/W1992012690","https://openalex.org/W1994188141","https://openalex.org/W1996109622","https://openalex.org/W2008132476","https://openalex.org/W2012140001","https://openalex.org/W2013474929","https://openalex.org/W2017959340","https://openalex.org/W2021289373","https://openalex.org/W2022673252","https://openalex.org/W2031411300","https://openalex.org/W2032230034","https://openalex.org/W2044541206","https://openalex.org/W2050576837","https://openalex.org/W2053154567","https://openalex.org/W2061341742","https://openalex.org/W2063692999","https://openalex.org/W2075644848","https://openalex.org/W2080412456","https://openalex.org/W2096553703","https://openalex.org/W2101526176","https://openalex.org/W2108611287","https://openalex.org/W2118698129","https://openalex.org/W2124945255","https://openalex.org/W2125838758","https://openalex.org/W2127151593","https://openalex.org/W2127478938","https://openalex.org/W2137628566","https://openalex.org/W2138559037","https://openalex.org/W2148687959","https://openalex.org/W2148761448","https://openalex.org/W2151020813","https://openalex.org/W2165815681","https://openalex.org/W3102539119","https://openalex.org/W4242904834","https://openalex.org/W4256027310","https://openalex.org/W4302402540"],"related_works":["https://openalex.org/W3100510665","https://openalex.org/W1573206013","https://openalex.org/W2154555144","https://openalex.org/W2952893544","https://openalex.org/W1986625420","https://openalex.org/W2081976468","https://openalex.org/W3200682096","https://openalex.org/W2383907964","https://openalex.org/W2008132476","https://openalex.org/W2297035263"],"abstract_inverted_index":{"In":[0,132,161,179],"this":[1,83,119,181],"article,":[2],"we":[3,51,96,134,163,195],"investigate":[4],"the":[5,53,92,126,145,153,183,199,207,215,224,250],"logical":[6,39],"structure":[7],"of":[8,11,33,55,67,88,112,128,155,168,186,198,220,226,243,253,266,274,278],"memory":[9,26,49,69,103],"models":[10],"theoretical":[12],"and":[13,191,231,258],"practical":[14],"interest.":[15],"Our":[16,58],"main":[17,59,86],"interest":[18],"is":[19,61,75,94,247,256,263],"in":[20,30,72,82,100,109,137,206],"\u201cthe":[21],"logic":[22,174,222,255,262],"behind":[23,36],"a":[24,37,166,275],"fixed":[25],"model\u201d,":[27],"rather":[28],"than":[29],"\u201ca":[31],"model":[32,74],"any":[34,64],"kind":[35],"given":[38],"system\u201d.":[40],"As":[41],"an":[42],"effective":[43],"language":[44,147],"for":[45,63,78,188],"reasoning":[46],"about":[47],"such":[48,141],"models,":[50,104],"use":[52],"formalism":[54],"separation":[56,173],"logic.":[57,241],"result":[60,120],"that":[62,73,95,165,171],"concrete":[65,102],"choice":[66],"heap-like":[68],"model,":[70],"validity":[71,99,108],"undecidable":[76,176,201],"even":[77],"purely":[79,216],"propositional":[80,156,169,202],"formulas":[81],"language.":[84],"The":[85],"novelty":[87],"our":[89,267],"approach":[90],"to":[91,107,139],"problem":[93],"focus":[97],"on":[98],"specific,":[101],"as":[105,177],"opposed":[106],"general":[110],"classes":[111],"models.":[113],"Besides":[114],"its":[115,229,232],"intrinsic":[116],"technical":[117],"interest,":[118],"also":[121],"provides":[122],"new":[123],"insights":[124],"into":[125],"nature":[127],"their":[129],"decidable":[130,142],"fragments.":[131],"particular,":[133,180],"show":[135,164],"that,":[136],"order":[138],"obtain":[140],"fragments,":[143],"either":[144],"formula":[146],"must":[148,158],"be":[149,159],"severely":[150],"restricted":[151],"or":[152],"valuations":[154],"variables":[157],"constrained.":[160],"addition,":[162],"number":[167],"systems":[170,203],"approximate":[172],"are":[175,270],"well.":[178],"resolves":[182],"open":[184],"problems":[185],"decidability":[187],"Boolean":[189,211,221,254],"BI":[190],"Classical":[192],"BI.":[193],"Moreover,":[194],"provide":[196],"one":[197],"simplest":[200],"currently":[204],"known":[205],"literature,":[208],"called":[209],"\u201cMinimal":[210],"BI\u201d,":[212],"by":[213,237,272],"combining":[214],"positive":[217],"implication-conjunction":[218,251],"fragment":[219,252],"with":[223],"laws":[225],"multiplicative":[227,239,260],"*-conjunction,":[228],"unit":[230],"adjoint":[233],"implication,":[234],"originally":[235],"provided":[236],"intuitionistic":[238,259],"linear":[240,261],"Each":[242],"these":[244],"two":[245],"components":[246],"individually":[248],"decidable:":[249],"co-NP-complete,":[257],"NP-complete.":[264],"All":[265],"undecidability":[268],"results":[269],"obtained":[271],"means":[273],"direct":[276],"encoding":[277],"Minsky":[279],"machines.":[280]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
